ASTRONOMICAL TIME SWITCH SELEKTA 170 TOP3, 1-ch

Theben Astro-clock switch with weekly programming. The Astro mode of the clock switch can be set (on in the evening - off in the morning or off in the evening - on in the morning) or completely disabled. Location data can be programmed using coordinates or a city list of countries. Switching rules for Europe, the USA, and other countries are already stored; custom switching rules or switching based on a fixed date are selectable. Features

• Astronomical switching function (automatic calculation of sunrise and sunset times for the entire year)
• Correction to adjust sunrise and sunset times
• Fixed on/off switches programmable (e.g., night cuts)
• Simulation of switching times (calculated Astro times and programmed on/off switches)
• DuoFix spring connectors, 2-wire
• Single-core or multi-core (with or without wire end caps)
• Wire diameter: 0.5 - 2.5 mm²;
• Plug-in disconnect button
• Text-based user guidance on display
• Date and time preset
• All functions available without network connection
• Connection to OBELISK top2 memory card (PC programming)
• Second switching program from memory card
• Program copying
• Program backup
• 10-year backup operation (lithium battery)
• Zero-crossing switching for relay protection and high lamp loads (not for 24 V devices)
• Calculated Astro switching times
• Programmable on/off switching times
• Switching preselection
• Continuous operation switch on/off
• Integrated usage hour counter
• Reset capability
• Maintenance function for monitoring maintenance intervals
• Vacation program
• Display backlight (can be turned off)
• PIN coding
• Automatic summer and winter time change, can be disabled

This product description is an automated translation of the original Finnish description.